<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="用户" prop="userId">
        <el-input
          v-model="queryParams.userId"
          placeholder="请输入用户"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="邀请码" prop="code">
        <el-input
          v-model="queryParams.code"
          placeholder="请输入邀请码"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="页面链接" prop="url">
        <el-input
          v-model="queryParams.url"
          placeholder="请输入页面链接"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="状态" prop="state">
        <el-select v-model="queryParams.state" placeholder="请选择状态" clearable>
          <el-option
            v-for="dict in dict.type.novel_state"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['novel:invitation:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['novel:invitation:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['novel:invitation:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['novel:invitation:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="invitationList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="用户名" align="center" prop="nickName" />
      <el-table-column label="邀请码" align="center" prop="code" />
      <el-table-column label="页面链接" align="center" prop="url" />
      <el-table-column label="图片" align="center" prop="image" width="100">
        <template slot-scope="scope">
          <image-preview :src="scope.row.image" :width="50" :height="50"/>
        </template>
      </el-table-column>
      <el-table-column label="下载链接" align="center" prop="downloadLink" />
      <el-table-column label="状态" align="center" prop="state">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.novel_state" :value="scope.row.state"/>
        </template>
      </el-table-column>
      <el-table-column label="备注" align="center" prop="remark" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="openCode('页面二维码',scope.row.url)"
          >页面二维码</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="openCode('app下载链接',scope.row.downloadLink)"
          >app下载链接</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['novel:invitation:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['novel:invitation:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改邀请链接对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
<!--        <el-form-item label="用户" prop="userId">-->
<!--          <el-input v-model="form.userId" placeholder="请输入用户" />-->
<!--        </el-form-item>-->
        <el-form-item label="邀请码" prop="code">
          <el-input v-model="form.code" placeholder="请输入邀请码" style="width: 90%;" />
          <el-button type="text" @click="Md5Code()" style="width: 10%;text-align: center;"><i class="el-icon-refresh"></i></el-button>
        </el-form-item>
        <el-form-item label="页面链接" prop="url">
          <el-input v-model="form.url" type="textarea" placeholder="请输入页面链接" />
        </el-form-item>
        <el-form-item label="图片" prop="image">
          <image-upload v-model="form.image" :limit="1"/>
        </el-form-item>
        <el-form-item label="下载链接" prop="url">
          <el-input v-model="form.downloadLink" type="textarea" placeholder="请输入下载链接" />
        </el-form-item>
        <el-form-item label="状态" prop="state">
          <el-select v-model="form.state" placeholder="请选择状态">
            <el-option
              v-for="dict in dict.type.novel_state"
              :key="dict.value"
              :label="dict.label"
              :value="parseInt(dict.value)"
            ></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="备注" prop="remark">
          <el-input v-model="form.remark" type="textarea" placeholder="请输入内容" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>

    <el-dialog :title="codeTitle" :visible.sync="codeOpen" width="500px" append-to-body>
      <div style="width: 100%;display: flex;justify-content: center;">
        <div id="qrcode" ref="qrcode" style="margin: 0 auto;"></div>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import md5 from 'js-md5';
import QRCode from 'qrcodejs2'
import { listInvitation, getInvitation, delInvitation, addInvitation, updateInvitation } from "@/api/novel/invitation";

export default {
  name: "Invitation",
  dicts: ['novel_state'],
  components: { QRCode },
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 邀请链接表格数据
      invitationList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        userId: null,
        code: null,
        url: null,
        image: null,
        state: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
      },

      codeOpen: false,
      codeTitle: '',
      qrcode: null,
    };
  },
  created() {

    this.getList();
  },
  methods: {
    openCode(title, url){
      let _this = this;
      this.codeOpen = true;
      this.codeTitle = title;
      setTimeout(()=>{
        this.$nextTick (function () {
          if(_this.qrcode){
            _this.qrcode.makeCode(url)
          }else {
            _this.qrcode = new QRCode('qrcode', {
              width: 200,  // 设置宽度
              height: 200, // 设置高度
              text: url
            })
          }
        })
      },100)
    },
    Md5Code(){
      let code = this.form.code;
      this.form.code = md5(new Date().getTime()+'');
      if(this.form.url){
        this.form.url = this.form.url.replace(code,this.form.code);
      }
    },
    /** 查询邀请链接列表 */
    getList() {
      this.loading = true;
      listInvitation(this.queryParams).then(response => {
        this.invitationList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        userId: null,
        code: null,
        url: null,
        image: null,
        state: null,
        createBy: null,
        createTime: null,
        updateBy: null,
        updateTime: null,
        remark: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加邀请链接";
      this.Md5Code();
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getInvitation(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改邀请链接";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateInvitation(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addInvitation(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除邀请链接编号为"' + ids + '"的数据项？').then(function() {
        return delInvitation(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('novel/invitation/export', {
        ...this.queryParams
      }, `invitation_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
